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51544355230 = 2561149567107
BaseRepresentation
bin110000000000010010…
…000111000110011110
311221001012210112201201
4300000102013012132
51321030323331410
635402410230114
73503213535064
oct600022070636
9157035715651
1051544355230
111a950498a95
129ba612533a
134b259c1ca4
1426cd89c034
15151a25183a
hexc0048719e

51544355230 has 32 divisors (see below), whose sum is σ = 94933879200. Its totient is φ = 20143605120.

The previous prime is 51544355227. The next prime is 51544355243. The reversal of 51544355230 is 3255344515.

It is a self number, because there is not a number n which added to its sum of digits gives 51544355230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192664 + ... + 374443.

It is an arithmetic number, because the mean of its divisors is an integer number (2966683725).

Almost surely, 251544355230 is an apocalyptic number.

51544355230 is a deficient number, since it is larger than the sum of its proper divisors (43389523970).

51544355230 is a wasteful number, since it uses less digits than its factorization.

51544355230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567324.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 51544355230 its reverse (3255344515), we get a palindrome (54799699745).

The spelling of 51544355230 in words is "fifty-one billion, five hundred forty-four million, three hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 61 122 149 298 305 610 745 1490 9089 18178 45445 90890 567107 1134214 2835535 5671070 34593527 69187054 84498943 168997886 172967635 345935270 422494715 844989430 5154435523 10308871046 25772177615 51544355230